Dart board



FIG. 1 is a perspective view of a dart board, showing the new design;

FIG. 2 is a front view of the dart board of FIG. 1;

FIG. 3 is a side view of the dart board of FIG. 1, with all side views being substantially identical; and,

FIG. 4 is a rear view of the dart board of FIG. 1. 

The ornamental design for a dart board, as shown and described. 